If you think the item will weigh less, then it's probably best to use grams. If you think it will weigh more, then kilograms would probably be more suitable.
30 grams weigh approximately 1.06 ounces.
400 grams of popcorn kernels weigh 400 grams.
People use a scale to weigh things. Scales measure the weight of an object by comparing it to a standard unit of measurement, such as grams or pounds.
Scientists use the metric unit of measurement called grams (g) to weigh things.
You could (theoretically) use either... However - Kilos is the preferred measurement.
grams
There are 1000 grams in a kilogram, and seeing how small a butterfly is, I'd use grams
Grams and kilograms are measurement of weight. For a letter you would use grams. For a package you would use kilograms as it weight is more.
paper clips do not weigh much, perhaps a gram each, so 10 weigh about 10 grams, so you would use grams, not kilograms, since 1 kg = 1000 grams
If you think the item will weigh less, then it's probably best to use grams. If you think it will weigh more, then kilograms would probably be more suitable.
I would use grams because grams would give you more significant figures for the measurement than kilograms
grams
Any type of balance according to the needs.
Neither. Pounds
Ounces in the US, grams elsewhere.
All you need is a scale. you should use a scale that measures in grams.